Clod-pulverizer.



L. CUNNINGHAM.

OLOD PULVERIZER.

APPLICATION FILED FEB. 19, 1912 Patented Oct. 15, 1912.

Illlll IIIIIIII INVENTOR &1 29 A8 HIS ATTORNEY WITNESSES LUTHER,CUNNINGHAM, OF MORGAN HILL, CALIFORNIA.

CLOD-PULVERIZER.

Specification of Letters Patent.

Patented Oct. 15, 1912.

Application filed February 19, 1912. Serial No. 678,451.

To all whom it may concern:

Be it known that I, LUTHER CUNNING- 11AM, a citizen of the UnitedStates, residing at Morgan Hill, in the county of Santa Clara and Stateof California, have invented a new and useful Improvement inClod-Iulverizers, of which the following is a specification.

My invention relates to an improvement in a clod pulverizer, for thepurpose of pulverizing the clods in orchards and fields or in any otherplace where the ground is lumpy, and it becomes necessary to break upthe same.

The objects of my invention are, 1st, to construct a clod pulverizerwhich will break up the clods in a suitable manner and t0 the finenesswhich may be required; 2, to con struct a clod pulverizer so all partsthereof can be duplicated, and one in which the bearings areinterchangeable and can be oiled from the drivers seat without stopping;3, to construct a clod pulverizer which can be operated close to a treeor vine without injury to the same. I attain these ob jects by means ofthe parts illustrated in the accompanying drawings, in which;

Figure 1 is a sectional view on lines A-A Fig. 2. Fig. 2 is an end Viewof the head of section A, showing the means of connecting the axlethereto. Fig. 3 is a detail view of the drum castings of which thesections are made up. Fig. 1 is a detail view of the outer end ofsection C, showing means of holding axle in place. Fig. 5 is a side viewof the stanchions in which the bearings are located, showing oil pipeleading thereto.

My invention consists of a main frame 1, made of wood or any othersuitable material of the proper strength and durability, to which isfastened pole 2, by bolts 3, the same extending out forward a distanceand braced by iron braces shown at 1. 011 pole 2, is fastening 5, towhich whillletrees may be attached. On pole 2, over main frame 1, isfastened angle steel spring 6, made of flat steel the proper width andthickness to sus tain the weight put on the same; at the top part ofspring 6, is fastened operators seat 7 this seat may be made of anysuitable material and any design required. Near each end of frame 1, onthe under side thereof are stanchions 8, fastened to frame 1, by boltsshown at 9. These stanchions are made of cast iron or any other suitablematerial and are at the top the width of frame 1, having the requiredthickness, and taper down each way toward the center a distance to arounding point, as shown at 10. Through this rounding point is a holeinto which is placed bearings 12, on the under side of bearings 12, is asmall boss 13, which slides into a niche 14, at the lower side ofstanchions 8, and when the bearings are in place, this niche keeps thebearings 12, from turning. These bearings 12, are interchangeable, andare made of any suitable material required.

The clod pulverizer rollers are made up in sect-ions as shown at A-BC-,of any size or length required. The end sections A-C, are shorter thanthe middle section B; this is for the purpose of giving a longer lengthto frame 1, and equalizing the weight on the clod pulverizer. The outerends of sections A B-C, shown at 15, is made of cast iron or any othersuitable metal having spear points at their outer circumference shown at20. Near the center of outer casting 15, of section A, is a squaresocket 16, into which the square head 17, on one end of axle 18, isplaced; this causes the axle to revolve with sections AB-G, while beingonly fastened to section A, and allows each section to work independentof any of the other sections, which reduces the side draft on the horsesnecks. These sections AB-C, are made up of narrow circular castings 19,as shown at Fig. 3, having spear points on their outer circumference asshown at 20. These spear points are sharp at the points, and have fourcutting edges for the purpose of readily breaking up the clods. One sideof casting 19, has a concave as shown at 21, and a convex shown at 22,on

the other side. On the concave side is a boss 23, which fits into aniche 24, in the convex side of the next casting 19; this looks thecastings 19 togetherin sections AB-C, when bolted together by boltsshown at 25. The axle 18, is then put in place through sections AB-G,and bearings 12, and is held in place by key 26, being driven throughthe end of axle 18; the same having its bearing against hub 27, on theoutside of section C. Bearings 12, are oiled through pipes shown at 28,leading from the upper side of frame 1, to the same, these pipes have acap 29, at the top thereof for the purpose of keeping out anyaccumulation of dirt.

Although hereinbefore described as being peculiarly adapted for use inpulverizing clods, I do not confine myself to this use alone, as it ismanifest that the apparatus may by changes of form to suit varyingconditions, be adapted for many other purposes.

Having thus described my invention, What I claim as new, and desire tosecure by Let ters Patent is 1. In a clod pulverizer the combination ofa main frame, a plurality of roller sections, means of fastening saidsections together, means of connecting sections ABC, to said frame,outer section A having a square socket on the outer end thereof, an axlehaving a square head to fit said socket, said axle passing through allof said sections, and movable With said outer section, sections B, C,movable upon said axle; interchangeable hearings on said axle held inplace by stanchions, substantially as set forth.

2. In a clod pulverizer the combination of a main frame stanchionsfastened thereto extending down a distance into Which bearings are held,and means of preventing said bearings from turning, a plurality ofroller Copies of this patent may be obtained for sections connectedthereto, an axle passing through said sections, a square head on one endof said axle fitting into a socket on the outer end of said section, akey at the other outer end holding said sections in place, said outersections being shorter than the middle section.

3. In a clod pulverizer the combination of a main frame, stanchionsfastened thereto extending downward a distance in Which bearings areheld, means for preventing said bearings from turning, an axle passingthrough said bearings, a square head on one end of said axle, a key atthe other outer end of said axle, a plurality of roller sectionsconnected thereto, a square socket on the outer end of one of saidsect-ions, means for fastening said sections together, as shown anddescribed.

In Witness whereof I have hereunto set my hand this 12th day ofFebruary, 1912. LUTHER CUNNINGHAM. WVitnesses:

II. J. B. WRIGHT, J. B. CAMBERS.

five cents each, by addressing the Commissioner of Patents,- Washington,D. G.

